1 /* Copyright (c) 2007-2010, 2012-2015. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
13 #include <simgrid/simix.hpp>
17 #include "src/kernel/context/Context.hpp"
18 #include "src/simix/smx_private.h"
21 * @brief creates a new context for a user level process
22 * @param code a main function
23 * @param cleanup_func the function to call when the context stops
25 smx_context_t SIMIX_context_new(
26 std::function<void()> code,
27 void_pfn_smxprocess_t cleanup_func,
28 smx_process_t simix_process)
30 xbt_assert(simix_global, "simix is not initialized, please call MSG_init first");
31 return simix_global->context_factory->create_context(
32 std::move(code), cleanup_func, simix_process);
39 ContextFactoryInitializer factory_initializer = nullptr;
41 ContextFactory::~ContextFactory() {}
43 Context* ContextFactory::self()
45 return SIMIX_context_get_current();
48 void ContextFactory::declare_context(void* context, std::size_t size)
51 /* Store the address of the stack in heap to compare it apart of heap comparison */
53 MC_ignore_heap(context, size);
57 Context* ContextFactory::attach(void_pfn_smxprocess_t cleanup_func, smx_process_t process)
59 xbt_die("Cannot attach with this ContextFactory.\n"
60 "Try using --cfg=contexts/factory:thread instead.\n");
63 Context* ContextFactory::create_maestro(std::function<void()> code, smx_process_t process)
65 xbt_die("Cannot create_maestro with this ContextFactory.\n"
66 "Try using --cfg=contexts/factory:thread instead.\n");
69 Context::Context(std::function<void()> code,
70 void_pfn_smxprocess_t cleanup_func, smx_process_t process)
71 : code_(std::move(code)), process_(process), iwannadie(false)
73 /* If the user provided a function for the process then use it.
74 Otherwise, it is the context for maestro and we should set it as the
77 this->cleanup_func_ = cleanup_func;
79 SIMIX_context_set_current(this);
88 if (this->cleanup_func_)
89 this->cleanup_func_(this->process_);
90 this->process_->suspended = 0;
92 this->iwannadie = false;
93 simcall_process_cleanup(this->process_);
94 this->iwannadie = true;
97 AttachContext::~AttachContext()
103 /** @brief Executes all the processes to run (in parallel if possible). */
104 void SIMIX_context_runall(void)
106 simix_global->context_factory->run_all();
109 /** @brief returns the current running context */
110 smx_context_t SIMIX_context_self(void)
112 if (simix_global && simix_global->context_factory)
113 return simix_global->context_factory->self();